<template>
  <div class="box">
    <h1>Header</h1>
    {{ countDownText }}
    <button @click="num++">+</button>
    {{ num }}
  </div>
</template>

<script>
import Mixins from '../commmon/mixins'
import Count from '../commmon/Count'
export default {
    // 使用混入，把或如的对象合并到当前组件中
    mixins:[Mixins,Count],
    data() {
        return {
            num:0
        }
    }
}
</script>

<style>

</style>